<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
        
    </style>
</head>
<body>
    
</body>
<script>
    
    // alert("<b>hello world</b>");
    // alert( {} );

    // document.write("<b>hello world</b>");
    // document.write( {} );

    // console.log("<b>hello world</b>")
    // console.log( {} )

    console.log( 1 + 1 );
    document.write( 1 + 1 );
    alert( 1 + 1 );

</script>
</html>